import pprint

strs = 1
str_2 = 1

def sum():
    print(1) # 内置

# range()
# range()

# list 列表，数组, 集合
# dict 字典

# () [] {}  <>

mylist = []
mylist1 = [83, 213, 33] # 集合
mylist2 = ["hool", "kkkk", "daskdsa", 'dsdsada']

mylist3 = [[1, [2, [3]]], [2], [3]]

mylist1[0]
mylist1[1]
# 遍历
for xxx in mylist1:
    print(xxx)

for xx in mylist2:
    print(xx)

print(mylist1[1]) # 索引
print(mylist1[2]) # 索引
# mylist1[1]
# mylist1[2]

print(mylist2[3])

mylist1.append(4)
mylist2.append("mmmm")

sum = 0
for i in mylist1:
    sum = sum + i

print(sum)
# pprint(mylist1)
pass

# 不差钱，卖拐， 扶不扶
